Home / 276,306.66-381,185.46-158,371.38

Finding the Fourth Proportional to 276,306.66, 381,185.46 and 158,371.38

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Solution

The fourth proportional to 276,306.66, 381,185.46 and 158,371.38 is: 218,485.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,306.66 : 381,185.46 = 158,371.38 : x
  2. Step 2: Convert to fraction form
    276,306.66/381,185.46 = 158,371.38/x
  3. Step 3: Cross multiply
    276,306.66x = 381,185.46 × 158,371.38
  4. Step 4: Simplify right side
    276,306.66x = 60,368,867,336.13
  5. Step 5: Solve for x
    x = 60,368,867,336.13/276,306.66
  6. Step 6: Final answer
    x = 218,485.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.